123612420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29017}}^1$

素因数の和:29100

約数の個数: 48

約数和(自身を含む): 351001728

約数和(自身を除く): 227389308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 29017, 58034, 87051, 116068, 145085, 174102, 290170, 348204, 435255, 580340, 870510, 1741020, 2060207, 4120414, 6180621, 8240828, 10301035, 12361242, 20602070, 24722484, 30903105, 41204140, 61806210, 123612420]

約数ペア:

[(1, 123612420), (2, 61806210), (3, 41204140), (4, 30903105), (5, 24722484), (6, 20602070), (10, 12361242), (12, 10301035), (15, 8240828), (20, 6180621), (30, 4120414), (60, 2060207), (71, 1741020), (142, 870510), (213, 580340), (284, 435255), (355, 348204), (426, 290170), (710, 174102), (852, 145085), (1065, 116068), (1420, 87051), (2130, 58034), (4260, 29017)]